161442726970

Names of 161442726970

• Cardinal: 161442726970 can be written as One hundred sixty-one billion, four hundred forty-two million, seven hundred twenty-six thousand, nine hundred seventy.

Scientific notation

• Scientific notation: 1.6144272697 × 10¹¹

Factors of 161442726970

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 130

Divisors of 161442726970

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 5 7 10 14 19 35 38 49 70 95 97 98 133 190 194 245 266 361 485 490 665 679 722 931 970 1330 1358 1805 1843 1862 2527 3395 3610 3686 4655 4753 5054 6790 9215 9310 9409 9506 12635 12901 17689 18430 18818 23765 25270 25802 35017 35378 47045 47530 64505 65863 70034 88445 90307 94090 129010 131726 175085 176890 178771 180614 245119 329315 350170 357542 451535 461041 490238 658630 893855 903070 912673 922082 1225595 1251397 1715833 1787710 1825346 2305205 2451190 2502794 3396649 3431666 4563365 4610410 6256985 6388711 6793298 8579165 8759779 9126730 12513970 12777422 16983245 17158330 17340787 17519558 23776543 31943555 33966490 34681574 43798895 44720977 47553086 63887110 86703935 87597790 89441954 118882715 121385509 166435801 173407870 223604885 237765430 242771018 329474953 332871602 447209770 606927545 658949906 832179005 849698563 1213855090 1647374765 1664358010 1699397126 2306324671 3294749530 4248492815 4612649342 8496985630 11531623355 16144272697 23063246710 32288545394 80721363485 161442726970
• Sum of all divisors σ(n): 360485695080
• Sum of proper divisors (its aliquot sum) s(n): 199042968110
• 161442726970 is an abundant number, because the sum of its proper divisors (199042968110) is greater than itself. Its abundance is 37600241140

Bases of 161442726970

• Binary: 10010110010110101111001000010000111010₂
• Hexadecimal: 0x2596BC843A
• Base-36: 225YTXDM

Squares and roots of 161442726970

• 161442726970 squared (161442726970²) is 26063754091509965380900
• 161442726970 cubed (161442726970³) is 4207803535608863736022790752873000
• The square root of 161442726970 is 401799.3615848587
• The cube root of 161442726970 is 5445.1037805955

Scales and comparisons

• 161,442,726,970 seconds is equal to 5,133 years, 19 weeks, 5 days, 1 hour, 56 minutes, 10 seconds.
• To count from 1 to 161,442,726,970 would take you about ten thousand, two hundred sixty-six years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 161442726970 cubic inches would be around 453.8 feet tall.

Recreational maths with 161442726970

• 161442726970 backwards is 079627244161
• 161442726970 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 161442726970's digits is 49
• More coming soon!